Mont. Code Ann. § 27-8-204
A person interested as or through an executor, administrator, trustee, guardian, other fiduciary, creditor, devisee, heir, or cestui que trust in the administration of a trust or of the estate of a decedent, minor, person committed pursuant to 53-21-127, or insolvent person may have a declaration of rights or legal relations:
History: En. Sec. 4, Ch. 16, L. 1935; re-en. Sec. 9835.4, R.C.M. 1935; R.C.M. 1947, 93-8904; amd. Sec. 32, Ch. 12, L. 1979; amd. Sec. 5, Ch. 490, L. 1997.